Java#
Java is a general-purpose, high-level, class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible. Compiled Java code can run on all platforms that support Java without the need to recompile.
Software#
This page lists all projects using this programming language or deployment platform. Only the main server-side requirements, packaging or distribution formats are considered.
Alf.io#
Ticket reservation system.
Alfresco Community Edition#
The open source Enterprise Content Management software that handles any type of content, allowing users to easily share and collaborate on content.
Apache Solr#
Enterprise search platform featuring full-text search, hit highlighting, faceted search, real-time indexing, dynamic clustering, and rich document (e.g., Word, PDF) handling.
★1474 2025-09-25 Java Docker K8S Apache-2.0
Appsmith#
Build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.
★38064 2025-09-26 Java Docker K8S Apache-2.0
Atsumeru#
Manga/comic/light novel media server with clients for Windows, Linux, macOS and Android.
BinPastes#
Minimal pastebin supporting client-side encryption, fulltext search, one-time messages. Intended for one to few users looking for a simple pastebin deployment.
★11 2025-09-18 Java Apache-2.0
ClipCascade#
Syncs your clipboard across multiple devices instantly, without any button press. Available on Windows, macOS, Linux, and Android, it provides seamless and secure clipboard sharing with end-to-end data encryption.
CommaFeed#
Google Reader inspired self-hosted RSS reader.
★3198 2025-09-26 Java Docker Apache-2.0
DavMail#
POP/IMAP/SMTP/Caldav/Carddav/LDAP exchange gateway allowing users to use any mail/calendar client with an Exchange server, even from the internet or behind a firewall through Outlook Web Access.
★660 2025-09-25 Java GPL-2.0 ⚠ Anti-features
Communication - Email - Mail Delivery Agents Calendar & Contacts
Docspell#
Auto-tagging document organizer and archive.
Druid#
Distributed, column-oriented, real-time analytics data store.
★13833 2025-09-26 Java Docker Apache-2.0
DSpace#
Turnkey repository application providing durable access to digital resources.
★1008 2025-09-23 Java BSD-3-Clause
Document Management - Institutional Repository and Digital Library Software
Eclipse Che#
Open source workspace server and cloud IDE.
Fedora Commons Repository#
Robust and modular repository system for the management and dissemination of digital content especially suited for digital libraries and archives, both for access and preservation.
★228 2025-09-05 Java Apache-2.0
Document Management - Institutional Repository and Digital Library Software
Fess#
Powerful and easily deployable Enterprise Search Server.
★1061 2025-09-18 Java Docker Apache-2.0
Firefox Account Server#
Host your own Firefox accounts server.
Gerrit#
Code review and project management tool for Git-based projects.
★1113 2025-09-26 Java Docker Apache-2.0
gitbucket#
Git platform powered with easy installation, high extensibility & GitHub API compatibility (alternative to GitHub).
★9296 2025-09-24 Scala Java Apache-2.0
GraphHopper#
Fast routing library and server using OpenStreetMap.
★6027 2025-09-24 Java Apache-2.0
Guacamole#
Clientless remote desktop gateway supporting standard protocols like VNC and RDP.
★3515 2025-09-26 Java C Apache-2.0
Halo#
A powerful and easy-to-use website building tool (documentation in Chinese).
Website Source Code Clients Demo
Hyphanet#
Anonymously share files, browse and publish freesites (web sites accessible only through Hyphanet) and chat on forums.
Jelu#
Read and to-read list book tracker.
Jitsi Video Bridge#
WebRTC compatible Selective Forwarding Unit (SFU) that allows for multiuser video communication.
★3011 2025-09-24 Java deb Apache-2.0
Kill Bill#
Subscription billing & payments platform. Have access to real-time analytics and financial reports.
★5054 2025-09-23 Java Docker Apache-2.0
Komga#
Media server for comics/mangas/BDs with API and OPDS support, a modern web interface for exploring your libraries, as well as a web reader.
LanguageTool#
Proofread more than 20 languages. It finds many errors that a simple spell checker cannot detect.
Metabase#
Easy way for everyone in your company to ask questions and learn from data.
Mindustry#
Factorio-like tower defense game. Build production chains to gather more resources, and build complex facilities.
OFBiz#
Enterprise Resource Planning system with a suite of business applications flexible enough to be used across any industry.
★943 2025-09-26 Java Apache-2.0
OneDev#
All-In-One DevOps Platform. With Git Management, Issue Tracking, and CI/CD. Simple yet Powerful.
Openfire#
Real time collaboration (RTC) server.
★2968 2025-09-21 Java Apache-2.0
openHAB#
Vendor and technology agnostic open source software for home automation.
Openmeetings#
Video conferencing, instant messaging, whiteboard, collaborative document editing and other groupware tools using API functions of the Red5 Streaming Server for Remoting and Streaming.
★664 2025-09-13 Java Apache-2.0
OpenOLAT#
Learning management system for teaching, education, assessment and communication.
★383 2025-09-26 Java Apache-2.0
OpenRemote#
IoT Asset management, Flow Rules and WHEN-THEN rules, Data visualization, Edge Gateway.
OpenRouteService#
Route service with directions, isochrones, time-distance matrix, route optimization, etc.
OpenSearch#
Distributed and RESTful search engine.
★11615 2025-09-26 Java Docker K8S deb Apache-2.0
OpenTripPlanner#
Multimodal trip planning software based on OpenStreetMap data and consuming published GTFS-formatted data to suggest routes using local public transit systems.
★2423 2025-09-26 Java Javascript LGPL-3.0
Para#
Flexible and modular backend framework/server for object persistence, API development and authentication.
★554 2025-09-24 Java Docker Apache-2.0
Pastefy#
Beautiful, simple and easy to deploy Pastebin with optional client encryption, multitab pastes, an API, a highlighted editor and more.
Peergos#
Secure and private space online where you can store, share and view your photos, videos, music and documents. Also includes a calendar, news feed, task lists, chat and email client.
RStudio Server#
Web browser based IDE for R.
SCM Manager#
The easiest way to share and manage your Git, Mercurial and Subversion repositories over http.
★151 2025-09-26 Java deb Docker K8S BSD-3-Clause
Scoold#
Stack Overflow in a JAR. An enterprise-ready Q&A platform with full-text search, SAML, LDAP integration and social login support.
★897 2025-09-24 Java Docker K8S Apache-2.0
SIP3#
VoIP troubleshooting and monitoring platform.
★? ? Java Apache-2.0
Stirling-PDF#
Local hosted web application that allows you to perform various operations on PDF files, such as merging, splitting, file conversions and OCR.
★67881 2025-09-25 Docker Java Apache-2.0
Syndie#
Syndie is a libre system for operating distributed forums.
Thingsboard#
Open-source IoT Platform - Device management, data collection, processing and visualization.
★19793 2025-09-26 Java Docker K8S Apache-2.0
Tigase#
XMPP server implementation in Java.
Tolgee#
Developer & translator friendly web-based localization platform enabling users to translate directly in the app they develop.
★3523 2025-09-25 Docker Java Apache-2.0
Traccar#
Java application to track GPS positions. Supports loads of tracking devices and protocols, has an Android and iOS App. Has a web interface to view your trips.
★? ? Java Apache-2.0
XWiki#
Second generation wiki that allows the user to extend its functionalities with a powerful extension-based architecture.
Yacy#
Peer based, decentralized search engine server.
Zimbra Collaboration#
Email, calendar, collaboration server with Web interface and lots of integrations.